He can predict a typhoon by rule of thumb.
他能凭经验预测出台风。
I never measure rice and water when I'm cooking - I just do it by rule of thumb.
我做饭时，从不量米量水，只凭经验。
Due to conventional cementing is designed by rule of thumb, cementing quality can't be assured.
常规油井注水泥一直是凭经验进行设计，固井质量无可靠把握。
By rule of thumb, the total thickness of pad and casting (at the pad location) should not be less than one-fifth of the metal-feeding distance.
由经验法则，其总厚度的软垫及铸造(在垫板上的位置)，应不低于上就有五分之一的金属补缩距离。
The two different groups of people are poles or worlds apart in that they are measured or gauged valuable or insignificant with a well-accepted yardstick or by rule of thumb.
这两种人群泾渭分明，因为人们会用公认的标杆或凭经验衡量一个是否有价值还是毫无价值。
As a rule of thumb, a careful cull of the 10% of lowest performers can make a firm leaner by removing fat without damaging muscle.
作为一个经验法则，仔细挑选出低效率的的10 %坚定进行的精简，消除多余脂肪而不损坏肌肉组织。
A good rule of thumb to minimise camera shake is to set the shutter speed at a minimum of one second divided by your focal length.
测算你相机的安全快门速度有一个好的方法，你相机镜头焦距的倒数，就是你避免镜头抖动的快门最小值。
A good rule of thumb is that a medium-sized or large city will probably require a full-time coordinator, while a town may be able to get by with a part-time coordinator.
较好的经验法则是：一个中型或大型城市将可能需要一个全职的协调人，而小型城市一个兼职的协调人或许就能正常运作。
A good rule of thumb is to go by feel … do you still need to put a lot of focus on the habit change, or has it become routine and semi-automatic?
有一个好的方法就是凭着感觉走…你是不是还需要很刻意地去改变这些习惯，还是已经可以半自觉去地做了？
A good rule of thumb, although by no means mandatory, is to consider selling if the company's valuation becomes significantly higher than its peers.
一个绝不是必须要用经验法则是如果公司估值大大高于同类企业的估值就该考虑卖出。
A rule of thumb advocated by many is that a class with more than 1,000 lines of code is too big.
许多人所提倡的一条经验法则是，类的代码行超过1,000行就可以说该类太长了。
In the previous figure I appended a general rule of thumb below each category, but after reading this article, it will hopefully by clear.
在前面的图中，我在每个类别下面添上了一条一般经验法则(generalrule of thumb)，但是在读完本文之后，这些法则对您来说就一目了然了。
The rule of thumb used by zoologists is that a transmitter worn by a flying animal should weigh no more than a twentieth of the weight of the individual wearing it.
按照动物学家基本计算方法，飞行动物佩带的发射器重量应当低于其本身体重的1/20。
Deep ones (as a rule of thumb, those below 20km, or 12 miles) generate small or non-existent tsunamis because their uplifting effects are absorbed by the overburden.
一是深震(一般在20km或12英里以下)，隆升通常被表层所吸收，因此不引发海啸或只引发小型海啸。
The rule of thumb is that XML expands by a factor of ten when read into memory.
经验规则是，XML 被读入内存时它会扩大10倍。
The industry's rule of thumb is that MPS can cut costs by around 30%.
此行业的经验表明打印服务管理可以降低大约30%的成本。
Hence, instead of a drudgery issuing in a blind rule of thumb, the properly trained man has some hope of obtaining an imagination disciplined by detailed facts and by necessary habits.
训练有素的人将有希望获得受详尽的事实和必要的习惯所规范的想象力，而不再面临单调乏味的工作所导致的墨守成规。
He's quite untrained but he can build a greenhouse by a rule of thumb.
他没有受过什么训练，但能凭实际经验建造温室。
In general, the design of phase-lock loops has been done by a combination of linear analysis, phase plane plots, rule of thumb, and simulation.
锁相环一般采用线性分析，相平面图，近似计算法以及计算机模拟来设计。
In general, the design of phase-lock loops has been done by a combination of linear analysis, phase plane plots, rule of thumb, and simulation.
锁相环一般采用线性分析，相平面图，近似计算法以及计算机模拟来设计。
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